| 单词 | 往复式 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔crankcase〕The metal case enclosing the crankshaft and associated parts in a reciprocating engine.曲柄轴箱：在往复式发动机内将曲柄轴和相关部件包住的金属箱子美国传统〔crankpin〕A bar or cylinder in the arm of a crank to which a reciprocating member or connecting rod is attached.曲柄栓：一种在曲柄上用以连接往复式发动机部件或连杆的长棒或圆筒美国传统〔crosshead〕A beam that connects the piston rod to the connecting rod of a reciprocating engine.十字头：连接活塞杆和往复式发动机连杆的横杆美国传统〔cylinder〕The chamber in which a piston of a reciprocating engine moves.汽缸：有往复式发动机的活塞移动的空室美国传统〔poppet valve〕An intake or exhaust valve, operated by springs and cams, that plugs and unplugs its opening by axial motion.提升阀：由弹簧及凸轮操纵的一吸气或排气阀，通过往复式运动打开或关闭阀门美国传统〔reciprocating engine〕An engine in which the crankshaft is turned by pistons moving up and down in a cylinder.往复式发动机：一种发动机，其曲轴是由圆筒形机体里的活塞上来运动来推动的美国传统Some electric razors have reciprocating heads.有些电动剃须刀有往复式剃须头。剑桥国际 |
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